Mitral insufficiency

（重定向自Mitral Valve Regurgitation）

Phonocardiograms from normal and abnormal heart sounds

Illustration comparing mitral valve insufficiency to mitral valve stenosis

Transesophageal echocardiogram of mitral valve prolapse

Mitral insufficiency (MI), mitral regurgitation or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MI is the most common form of valvular heart disease.

单词	Mitral Valve Regurgitation
释义	Mitral Valve Regurgitation 原声例句医学英语心内科 Examples of conditions associated with common systolic murmurs include: mitral valve regurgitation, when the mitral valve does not close properly and blood surges back to the left atrium during systole. 二尖瓣反流，当二尖瓣关闭不全时，血液在收缩期反流至左心房。英语百科 Mitral insufficiency （重定向自Mitral Valve Regurgitation） Mitral insufficiency (MI), mitral regurgitation or mitral incompetence is a disorder of the heart in which the mitral valve does not close properly when the heart pumps out blood. It is the abnormal leaking of blood backwards from the left ventricle, through the mitral valve, into the left atrium, when the left ventricle contracts, i.e. there is regurgitation of blood back into the left atrium. MI is the most common form of valvular heart disease.
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